CN213920557U - Hub reduction axle assembly and automobile - Google Patents
Hub reduction axle assembly and automobile Download PDFInfo
- Publication number
- CN213920557U CN213920557U CN202022971651.9U CN202022971651U CN213920557U CN 213920557 U CN213920557 U CN 213920557U CN 202022971651 U CN202022971651 U CN 202022971651U CN 213920557 U CN213920557 U CN 213920557U
- Authority
- CN
- China
- Prior art keywords
- hole
- positioning
- axle assembly
- reduction
- holes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model relates to the technical field of automobiles, in particular to a wheel reduction axle assembly and an automobile, wherein the wheel reduction axle assembly comprises a differential bearing cover, and a first positioning hole is formed in the differential bearing cover; the reducer shell is provided with a first connecting hole which is aligned with the first positioning hole; the fastening piece penetrates through the first positioning hole to be connected with the first connecting hole, and one end of the fastening piece extends out relative to the first positioning hole; the axle housing, the reduction gear installation cavity has been seted up on the axle housing, the bottom surface of reduction gear installation cavity seted up with the second locating hole of first locating hole centering, reduction gear housing inserts and establishes reduction gear installation cavity and with axle housing fixed connection, the fastener is relative the one end that first locating hole stretches out is inserted and is located in the second locating hole. The utility model discloses can reduce the cost of making hub reduction axle assembly.
Description
Technical Field
The utility model relates to the technical field of automobiles, especially, relate to a hub reduction axle assembly and car.
Background
With the development of the automobile industry, more and more automobiles enter production and life, and the appearance of automobiles brings great convenience to the life of people. The wheel-side reduction axle assembly plays a very important role on the automobile.
In the existing wheel reduction axle assembly of an automobile, positioning pins are arranged on two differential bearing covers, the differential bearing covers are arranged on a speed reducer, and the positioning pins are matched with an axle housing. The positioning pin can determine the position relation between the speed reducer and the axle housing, so that the transmission performance of the speed reducer is ensured. However, the structure adds an independent positioning pin structure and increases the cost.
Therefore, a wheel-side reduction axle assembly and an automobile are needed to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wheel limit speed reduction axle assembly and car need not to set up the position relation that the locating pin can confirm between reduction gear and the axle housing, reduces the cost of making wheel limit speed reduction axle assembly.
To achieve the purpose, the utility model adopts the following technical proposal:
a wheel reduction axle assembly comprising:
the differential mechanism bearing cover is provided with a first positioning hole;
the reducer shell is provided with a first connecting hole which is aligned with the first positioning hole;
the fastening piece penetrates through the first positioning hole to be connected with the first connecting hole, and one end of the fastening piece extends out relative to the first positioning hole;
the axle housing, the reduction gear installation cavity has been seted up on the axle housing, the bottom surface of reduction gear installation cavity seted up with the second locating hole of first locating hole centering, reduction gear housing inserts and establishes reduction gear installation cavity and with axle housing fixed connection, the fastener is relative the one end that first locating hole stretches out is inserted and is located in the second locating hole.
Optionally, the differential bearing cap includes two half bearing caps, two of the half bearing caps have respectively been provided with a semicircular hole, two of the half bearing caps are spliced to form an annular cavity for mounting the bearing, and two of the half bearing caps have respectively been provided with the first positioning hole.
Optionally, the first positioning holes are formed in the half bearing cover at intervals, and the first connecting holes and the second positioning holes are arranged in one-to-one correspondence with the first positioning holes.
Optionally, the fastener includes a screw portion, a polished rod portion and a positioning portion that are coaxially disposed, the polished rod portion is connected between the screw portion and the positioning portion, the positioning portion is disposed in the first positioning hole in a penetrating manner, the screw portion is in threaded connection with the first connecting hole, and the positioning portion is inserted in the second positioning hole.
Optionally, a limiting ring is annularly arranged on the outer circumferential surface of the polished rod part along the circumferential direction of the polished rod part.
Optionally, a screwing protrusion is convexly arranged on the outer circumferential surface of the polished rod part along the circumferential direction of the polished rod part.
Optionally, be provided with first flange on the reduction gear casing, be provided with on the axle housing with first flange matched with second flange, first flange with second flange passes through connecting piece fixed connection.
Optionally, a plurality of second connecting holes are formed in the first connecting flange along the circumferential direction of the first connecting flange at intervals, a plurality of third connecting holes are formed in the second connecting flange along the circumferential direction of the second connecting flange at intervals, the third connecting holes and the second connecting holes are arranged in a one-to-one correspondence manner, and the connecting pieces are arranged in the second connecting holes and the third connecting holes in a penetrating manner.
Optionally, a sealant is coated between the first connecting flange and the second connecting flange.
An automobile is provided with the wheel-side reduction axle assembly.
The utility model has the advantages that:
the utility model provides a wheel limit reduction bridge assembly has seted up first locating hole on differential mechanism bearing cap, set up the first connecting hole in relative with first locating hole on reduction gear housing, the fastener passes first locating hole and is connected with first connecting hole, set up differential mechanism bearing cap to reduction gear housing, the relative first locating hole of one end of fastener stretches out, reduction gear housing inserts in the reduction gear installation cavity on the axle housing, the one end that the relative first locating hole of fastener stretches out inserts and sets up in the second locating hole of reduction gear installation cavity bottom. Fix the differential mechanism bearing cap through the fastener on the one hand, on the other hand accomplishes the location of reduction gear housing in the reduction gear installation cavity, need not to set up the position relation that the locating pin can confirm between reduction gear and the axle housing, reduces the cost of making wheel reduction axle assembly.
The utility model provides an automobile is provided with on it and is as above wheel limit reduction axle assembly, through the fastener on the one hand fixed differential mechanism bearing cap, on the other hand accomplishes the location of reduction gear housing in the reduction gear installation cavity, need not to set up the position relation that the locating pin can confirm between reduction gear and the axle housing, reduces the cost of making wheel limit reduction axle assembly.
Drawings
FIG. 1 is an exploded view of a wheel reduction axle assembly of the present invention;
FIG. 2 is a schematic view of an axle housing of a wheel reduction axle assembly according to the present invention;
FIG. 3 is a schematic view of a half bearing cap of a wheel reduction axle assembly according to the present invention;
figure 4 the utility model discloses a fastener's in wheel limit reduction axle assembly schematic diagram.
In the figure:
1. a differential bearing cap; 11. a half bearing cap; 111. a first positioning hole; 2. a reducer housing; 21. a first connecting flange; 211. a second connection hole; 3. an axle housing; 31. a reducer mounting cavity; 311. a second positioning hole; 32. a second connecting flange; 321. a third connection hole; 4. a fastener; 41. a screw section; 42. a light bar section; 421. a limiting ring; 422. screwing the protrusion; 43. a positioning part.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The position relation between reduction gear and the axle housing can be confirmed in order not to need to set up the locating pin to reduce the cost of making the wheel limit reduction axle assembly, as shown in fig. 1-4, the utility model provides a wheel limit reduction axle assembly. This round of limit reduction axle assembly includes: differential bearing cap 1, reducer casing 2, fastener 4 and axle housing 3.
Wherein, a first positioning hole 111 is arranged on the differential bearing cover 1; a first connecting hole aligned with the first positioning hole 111 is formed in the speed reducer housing 2; the fastening piece 4 penetrates through the first positioning hole 111 to be connected with the first connecting hole, and one end of the fastening piece 4 extends out relative to the first positioning hole 111; axle housing 3 is last to be seted up reduction gear installation cavity 31, and the second locating hole 311 that is in the same pair with first locating hole 111 is seted up to the bottom surface of reduction gear installation cavity 31, and reduction gear housing 2 inserts and establishes reduction gear installation cavity 31 and with axle housing 3 fixed connection, and fastener 4 inserts in second locating hole 311 for the one end that first locating hole 111 stretches out.
First locating hole 111 has been seted up on differential bearing cap 1, set up the first connecting hole that is in the same right with first locating hole 111 on reduction gear housing 2, fastener 4 passes first locating hole 111 and is connected with first connecting hole, set up differential bearing cap 1 to reduction gear housing 2 on, the relative first locating hole 111 of one end of fastener 4 stretches out, reduction gear housing 2 inserts in the reduction gear installation cavity 31 on axle housing 3, the one end that fastener 4 stretches out relative first locating hole 111 inserts and sets up in the second locating hole 311 of reduction gear installation cavity 31 bottom. Fix differential bearing cap 1 on the one hand through fastener 4, on the other hand accomplishes the location of reduction gear casing 2 in reduction gear installation cavity 31, need not to set up the locating pin and can confirm the position relation between reduction gear and the axle housing 3, reduces the cost of making the wheel reduction axle assembly.
Further, differential mechanism bearing cap 1 includes two half bearing caps 11, has all seted up the semicircle orifice on two half bearing caps 11, and two half bearing caps 11 amalgamation form the annular chamber of installation bearing, has all seted up first locating hole 111 on two half bearing caps 11. Through dividing differential bearing cap 1 into two, be convenient for install differential bearing, moreover, all seted up first locating hole 111 on two half bearing caps 11, be convenient for install.
Further, the first positioning hole 111 is disposed on the half bearing cover 11 at intervals, and the first connecting hole and the second positioning hole 311 are disposed in a one-to-one correspondence with the first positioning hole 111. Through setting up a plurality of first locating holes 111, can strengthen differential bearing cap 1 and reducer housing 2's joint strength, reducer housing 2 installs the axle housing 3 back moreover, and the location is more accurate, guarantees driven reliability between reduction gear and the rear axle.
Further, the fastening member 4 includes a screw portion 41, a polish rod portion 42 and a positioning portion 43, which are coaxially disposed, the polish rod portion 42 is connected between the screw portion 41 and the positioning portion 43, the positioning portion 43 is inserted into the first positioning hole 111, the screw portion 41 is screwed with the first connecting hole, and the positioning portion 43 is inserted into the second positioning hole 311. Through the arrangement, the fastener 4 can be used for fixedly connecting the differential bearing cover 1 with the speed reducer shell 2 and positioning the speed reducer shell 2, and the fastener 4 is simple and compact in structure and convenient to manufacture.
Further, a limit ring 421 is annularly disposed on the outer circumferential surface of the polished rod portion 42 along the circumferential direction of the polished rod portion 42. The depth of insertion of the optical rod part 42 and the screw part 41 into the first positioning hole 111 and the first connection hole can be limited by providing the stopper ring 421.
Further, a screw boss 422 is convexly provided on the outer circumferential surface of the polish rod portion 42 along the circumferential direction of the polish rod portion 42. Through setting up and revolve wrong protruding 422, be convenient for use tools such as spanner to revolve wrong fastener 4, bring very big facility for the dismouting of fastener 4.
Further, a first connecting flange 21 is arranged on the reducer housing 2, a second connecting flange 32 matched with the first connecting flange 21 is arranged on the axle housing 3, and the first connecting flange 21 and the second connecting flange 32 are fixedly connected through a connecting piece. After the speed reducer casing 2 is inserted and established speed reducer installation cavity 31 and fix a position, the rethread first flange 21 and second flange 32 are connected, guarantee the stability of the relative position between speed reducer and the rear axle to guarantee driven stability.
Further, a plurality of second connecting holes 211 are formed in the first connecting flange 21 at intervals along the circumferential direction of the first connecting flange 21, a plurality of third connecting holes 321 are formed in the second connecting flange 32 at intervals along the circumferential direction of the second connecting flange 32, the third connecting holes 321 and the second connecting holes 211 are arranged in a one-to-one correspondence manner, and the connecting pieces are arranged in the second connecting holes 211 and the third connecting holes 321 in a penetrating manner. Through seting up a plurality of second connecting holes 211 and third connecting hole 321, can strengthen the intensity of being connected between first flange 21 and the second flange 32, further improve the stability that reduction gear casing 2 and axle housing 3 are connected.
In order to prevent dust, water vapor and the like from entering the speed reducer and the rear axle through the gap between the first connecting flange 21 and the second connecting flange 32, which results in the reduction of the transmission stability and even influences the normal work of the speed reducer and the rear axle, further, sealant is coated between the first connecting flange 21 and the second connecting flange 32. The gap between the first connecting flange 21 and the second connecting flange 32 is sealed by the sealant, so that sealing is realized.
The embodiment also provides an automobile, which is provided with the wheel reduction axle assembly, the differential bearing cover 1 is fixed on the one hand through the fastener 4, the positioning of the speed reducer shell 2 in the speed reducer mounting cavity 31 is completed on the other hand, the position relation between the speed reducer and the axle housing 3 can be determined without setting a positioning pin, and the cost for manufacturing the wheel reduction axle assembly is reduced.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A hub reduction axle assembly, comprising:
the differential mechanism bearing cover (1), wherein a first positioning hole (111) is formed in the differential mechanism bearing cover (1);
the speed reducer shell (2) is provided with a first connecting hole which is aligned with the first positioning hole (111);
the fastening piece (4) penetrates through the first positioning hole (111) to be connected with the first connecting hole, and one end of the fastening piece (4) extends out relative to the first positioning hole (111);
axle housing (3), reduction gear installation cavity (31) have been seted up on axle housing (3), the bottom surface of reduction gear installation cavity (31) seted up with second locating hole (311) that first locating hole (111) are centering mutually, retarder casing (2) are inserted and are established reduction gear installation cavity (31) and with axle housing (3) fixed connection, fastener (4) are relative the one end that first locating hole (111) stretched out is inserted and is located in second locating hole (311).
2. The hub reduction axle assembly according to claim 1, wherein the differential bearing cap (1) comprises two half bearing caps (11), two half bearing caps (11) are provided with semi-circular holes, the two half bearing caps (11) are spliced to form an annular cavity for mounting a bearing, and the two half bearing caps (11) are provided with the first positioning holes (111).
3. A wheel reduction axle assembly according to claim 2, wherein the first positioning holes (111) are spaced apart from each other on the half bearing cover (11), and the first connecting holes and the second positioning holes (311) are disposed in one-to-one correspondence with the first positioning holes (111).
4. A wheel-side reduction bridge assembly according to claim 1, wherein the fastening member (4) comprises a screw portion (41), a polish rod portion (42) and a positioning portion (43) which are coaxially arranged, the polish rod portion (42) is connected between the screw portion (41) and the positioning portion (43), the positioning portion (43) is arranged in the first positioning hole (111) in a penetrating manner, the screw portion (41) is in threaded connection with the first connecting hole, and the positioning portion (43) is inserted in the second positioning hole (311).
5. The hub reduction axle assembly according to claim 4, wherein a stop ring (421) is annularly arranged on the outer circumferential surface of the polished rod portion (42) along the circumferential direction of the polished rod portion (42).
6. The hub reduction axle assembly according to claim 4, wherein a screw boss (422) is convexly provided on the outer circumferential surface of the polished rod portion (42) along the circumferential direction of the polished rod portion (42).
7. A wheel-side reduction axle assembly according to claim 1, wherein a first connecting flange (21) is arranged on the reducer casing (2), a second connecting flange (32) matched with the first connecting flange (21) is arranged on the axle housing (3), and the first connecting flange (21) and the second connecting flange (32) are fixedly connected through a connecting piece.
8. A hub reduction axle assembly according to claim 7, wherein a plurality of second connection holes (211) are provided at intervals on the first connection flange (21) along the circumference of the first connection flange (21), a plurality of third connection holes (321) are provided at intervals on the second connection flange (32) along the circumference of the second connection flange (32), the third connection holes (321) and the second connection holes (211) are arranged in a one-to-one correspondence, and the connecting members are inserted into the second connection holes (211) and the third connection holes (321).
9. A wheel reduction axle assembly according to claim 8, characterized in that a sealant is applied between the first connecting flange (21) and the second connecting flange (32).
10. A motor vehicle, characterised in that it is provided with a wheel reduction axle assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971651.9U CN213920557U (en) | 2020-12-11 | 2020-12-11 | Hub reduction axle assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971651.9U CN213920557U (en) | 2020-12-11 | 2020-12-11 | Hub reduction axle assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213920557U true CN213920557U (en) | 2021-08-10 |
Family
ID=77152751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022971651.9U Active CN213920557U (en) | 2020-12-11 | 2020-12-11 | Hub reduction axle assembly and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213920557U (en) |
-
2020
- 2020-12-11 CN CN202022971651.9U patent/CN213920557U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213920557U (en) | Hub reduction axle assembly and automobile | |
| US6348002B1 (en) | Slip yoke sealing and positioning plug | |
| CN106945463B (en) | Hub end structure of rear drive axle of minicar | |
| CN209441107U (en) | A kind of elastic wheel used for rail vehicle, independent wheelset and rail vehicle | |
| CN108725580B (en) | Forklift steering axle and kingpin sensor connecting device thereof | |
| CN209454495U (en) | A kind of terminal pad | |
| CN213133705U (en) | Positioning protection tool for spraying of non-circular special-shaped center hole hub | |
| CN210243213U (en) | Automatic steering device for vehicle | |
| CN206998723U (en) | A kind of drag angle assembly positioning tool and alignment system | |
| CN208429028U (en) | A kind of sensor of speed odometer for vehicle installation assembly for motor driven double speed vehicle bridge | |
| CN220488230U (en) | Novel multifunctional ABS gear ring assembly structure | |
| CN219812046U (en) | Electric vehicle motor side cover capable of preventing flywheel from falling off | |
| CN212273023U (en) | Novel parking unblock device | |
| CN217863941U (en) | Electric screen rotating mechanism | |
| CN111412266A (en) | Mounting structure suitable for hybrid transmission motor gear shaft | |
| CN206781431U (en) | A kind of automobile hub assembly | |
| CN220262498U (en) | Hub cap assembly | |
| CN214533847U (en) | Full all terrain vehicle bumper shock absorber subassembly | |
| CN218598669U (en) | Automobile connecting shaft protective cover | |
| CN203864326U (en) | Automobile hub | |
| CN212667034U (en) | Flange plate structure of half shaft sleeve pipe of automobile drive axle | |
| CN215861621U (en) | Belt wheel and belt wheel dismounting structure | |
| CN213676236U (en) | Hub unit with spline fit structure | |
| CN210461615U (en) | Flange assembly, driving bevel gear assembly and axle | |
| CN220114437U (en) | Connection structure of rear axle and driving motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |